<div id="wrap">
<select id="model" class="flat-select"
@change="changeData">
<option value="iphone5">iPhone 5</option>
<option value="iphone6">iPhone 6</option>
<option value="iphone7">iPhone 7</option>
</select>
<div id="chart-year">
<apexchart type="bar" height="400" ref="chart" :options="chartOptions" :series="series"></apexchart>
</div>
<div id="chart-quarter">
<apexchart type="bar" height="400" ref="chartQuarter" :options="chartOptionsQuarter" :series="seriesQuarter"></apexchart>
</div>
</div>